direction-determining board

例句：

1. 1.The direction-determining board is used to guide the robot's movement.
   方向确定板用于指导机器人的运动。
2. 2.The engineer used a direction-determining board to align the machine parts.
   工程师使用一个方向确定板来对机器部件进行对齐。
3. 3. The direction-determining board was crucial in ensuring the safe operation of the machinery.
   方向确定板在确保机械安全运行中起着关键作用。